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Implement missing swap modes

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This commit is contained in:
Lander Gallastegi 2024-10-14 01:23:48 +02:00
parent 226c06659e
commit f3533f59b8
1 changed files with 23 additions and 9 deletions
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32
src/video_core/renderer_vulkan/liverpool_to_vk.cpp
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@ -739,11 +739,6 @@ static float F16BitsToFloat(u16 v) {
vk::ClearValue ColorBufferClearValue(const AmdGpu::Liverpool::ColorBuffer& color_buffer) {
const auto comp_swap = color_buffer.info.comp_swap.Value();
ASSERT_MSG(comp_swap == Liverpool::ColorBuffer::SwapMode::Standard ||
comp_swap == Liverpool::ColorBuffer::SwapMode::Alternate,
"Unsupported component swap mode {}", static_cast<u32>(comp_swap));
const bool comp_swap_alt = comp_swap == Liverpool::ColorBuffer::SwapMode::Alternate;
const auto& c0 = color_buffer.clear_word0;
const auto& c1 = color_buffer.clear_word1;
@ -761,9 +756,9 @@ vk::ClearValue ColorBufferClearValue(const AmdGpu::Liverpool::ColorBuffer& color
switch (num_bits) {
case 32: {
color.float32 = std::array{
U8ToUnorm((c0 >> (comp_swap_alt ? 16 : 0)) & 0xff),
U8ToUnorm(c0 & 0xff),
U8ToUnorm((c0 >> 8) & 0xff),
U8ToUnorm((c0 >> (comp_swap_alt ? 0 : 16)) & 0xff),
U8ToUnorm((c0 >> 16) & 0xff),
U8ToUnorm((c0 >> 24) & 0xff),
};
break;
@ -780,9 +775,9 @@ vk::ClearValue ColorBufferClearValue(const AmdGpu::Liverpool::ColorBuffer& color
switch (num_bits) {
case 64: {
color.float32 = std::array{
F16BitsToFloat((comp_swap_alt ? c1 : c0) & 0xffff),
F16BitsToFloat(c0 & 0xffff),
F16BitsToFloat((c0 >> 16) & 0xffff),
F16BitsToFloat((comp_swap_alt ? c0 : c1) & 0xffff),
F16BitsToFloat(c1 & 0xffff),
F16BitsToFloat((c1 >> 16) & 0xffff),
};
break;
@ -801,6 +796,25 @@ vk::ClearValue ColorBufferClearValue(const AmdGpu::Liverpool::ColorBuffer& color
break;
}
}
// We assume 4 components here.
switch (comp_swap) {
case AmdGpu::Liverpool::ColorBuffer::SwapMode::Standard:
break;
case AmdGpu::Liverpool::ColorBuffer::SwapMode::Alternate:
std::swap(color.float32[0], color.float32[2]);
break;
case AmdGpu::Liverpool::ColorBuffer::SwapMode::StandardReverse:
std::reverse(color.float32.begin(), color.float32.end());
break;
case AmdGpu::Liverpool::ColorBuffer::SwapMode::AlternateReverse:
std::swap(color.float32[0], color.float32[2]);
std::reverse(color.float32.begin(), color.float32.end());
break;
default:
UNREACHABLE_MSG("Unknown comp_swap {}", static_cast<u32>(comp_swap));
}
return {.color = color};
}